Square plate



FIG. 1 is a perspective view thereof;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right-side elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines represent portions of the structure that form no part of the claim. 

CLAIM I claim the ornamental design for a square plate, as shown and described. 